| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a golf ball excellent in the abrasion resistance and durability of a cover and a flight performance. <P>SOLUTION: The golf ball 2 includes a core and a cover covering the core, and the cover is made from a cover composition containing, as a resin component, a thermoplastic polyurethane and a polyisocyanate mixture in which a urethane prepolymer having at least two isocyanate groups is dispersed in a thermoplastic resin which does not substantially react with an isocyanate group. The cover composition has the slab hardness of more than 60 and not more than 75 in Shore D hardness, and the cover has the thickness of 2.5 mm or less. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
